feat: update performance plotting scripts

[asalzburger]

This updates the performance scripts as suggested.

[codecov]

Codecov Report

Merging #814 (9cb40ba) into main (e20c66e) will not change coverage.
The diff coverage is n/a.

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##             main     #814   +/-   ##
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  Coverage   48.65%   48.65%           
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  Files         327      327           
  Lines       16910    16910           
  Branches     7944     7944           
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  Hits         8227     8227           
  Misses       3079     3079           
  Partials     5604     5604           

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[XiaocongAi]

Hi @asalzburger , thank you for implementing those plotting functions. They look all good except a minor comment you might want to address.
On a side note, I think in the longer term it might be better for us to make the performance plots based on the persistified tracks in the root files since this could gives us more flexibility regarding the definition of the performance, the binning of the variables etc. and more importantly, we don't have to redo the reconstruction just in order to remake the performance plots.